865432360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{21067}}^1$

素因数の和:21170

約数の個数: 64

約数和(自身を含む): 2123654400

約数和(自身を除く): 1258222040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 632, 790, 1027, 1580, 2054, 3160, 4108, 5135, 8216, 10270, 20540, 21067, 41080, 42134, 84268, 105335, 168536, 210670, 273871, 421340, 547742, 842680, 1095484, 1369355, 1664293, 2190968, 2738710, 3328586, 5477420, 6657172, 8321465, 10954840, 13314344, 16642930, 21635809, 33285860, 43271618, 66571720, 86543236, 108179045, 173086472, 216358090, 432716180, 865432360]

約数ペア:

[(1, 865432360), (2, 432716180), (4, 216358090), (5, 173086472), (8, 108179045), (10, 86543236), (13, 66571720), (20, 43271618), (26, 33285860), (40, 21635809), (52, 16642930), (65, 13314344), (79, 10954840), (104, 8321465), (130, 6657172), (158, 5477420), (260, 3328586), (316, 2738710), (395, 2190968), (520, 1664293), (632, 1369355), (790, 1095484), (1027, 842680), (1580, 547742), (2054, 421340), (3160, 273871), (4108, 210670), (5135, 168536), (8216, 105335), (10270, 84268), (20540, 42134), (21067, 41080)]